Ford Mustang (1999-2004) Service Manual: Transmission Description (Description and Operation)

The 4R70W has the following features:

  • Wide ratio gears
  • Four speeds
  • Rear wheel drive
  • Automatic
  • Electronic shift
  • Torque converter clutch control
  • Line pressure controls

The transmission uses Ravigneaux-style double-pinion gearset with two bands, one one-way roller clutch, one mechanical diode and four friction clutches to produce four forward gears and Reverse.

4R70W Automatic Transmission

4R70W Automatic Transmission

    Automatic Transaxle/Transmission
    General Specifications a - MERCON V is not interchangeable at this time with the current MERCON fluids. Check the transmission fluid level indicator to determine the correct fluid and refer to the ...

    Identification Tags
    All vehicles are equipped with a Vehicle Certification Label, located on the driver side door lock post. For correct transmission identification, refer to the code in the space marked TR. ...

    Other materials:

    1-2 Accumulator
    Removal 1. Compress the 1-2 accumulator cover and remove the accumulator piston retaining ring. 2. NOTE: Note the location of the 1-2 accumulator springs for reference during assembly. Remove the 1-2 accumulator. 1. Remove the 1-2 accumulator cover. 2. ...

    Halfshaft Joint
    Special Tool(s) Driver 205-199 (T83T-3132-A1) Hub Bearing Cup Replacer 205-147 (T80T-4000-P) Sensing Ring Replacer 206-041 (T89P-20202-A) Disassembly 1. CAUTION: Do not disassemble the halfshaft assembly. Install a new assem ...

    Front Seat Cushion
    Disassembly and Assembly All vehicles 1. Remove the seat track. For additional information, refer to Seat Track in this section. 2. Remove the seat backrest. For additional information, refer to Front Seat Backrest in this section. Vehicles with powe ...